| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 17 |
| Registration plate lamp issues | 17 |
| Service brake: efficiency below requirements |3.7.B.7| | 13 |
| Headlamp aim out of alignment | 12 |
| Brake pipe excessively corroded | 11 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Rear parking brake recording little or no effort | 5 |
| Rear brake application uneven | 5 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Windscreen has damage | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Brakes imbalanced across an axle | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Exhaust emits clearly visible black smoke during acceleration |7.4.A2| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear All position lamps not working |1.1.A.3b| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Horn not working |1.6.2a| | 2 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 2 |
| Rear brake binding | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Vehicle structure has a modification which adversely affects braking or steering |6.1.A.1| | 1 |
| Centre Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear brake drum contaminated by brake fluid |3.5.1h| | 1 |
| Rear brake drum contaminated by oil |3.5.1h| | 1 |
| Offside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| rear brake recording little or no effort |3.7.B.5a| | 1 |
| Seat belt anchorage prescribed area is excessively corroded drivers |5.2.6| | 1 |
| Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings crossmember |6.1.B.2| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Upper Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Nearside Rear Upper Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Front Upper Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Rear Upper Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Nearside Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Offside Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Rear Direction indicator incomplete |1.5.A1b| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Offside Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 1 |
| Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |7.4.A2| | 1 |
| Registration plate issues | 1 |
| Offside Front Steering component is not secure to the vehicle structure |2.2.B.1a| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Rear front brake binding |3.7.B.1| | 1 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Front Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 1 |
| Nearside Front Axle king pin so loose it is likely to affect directional stability (5.1.2 (d) (ii)) | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Drag link end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Rear Vehicle structure fractured seriously affecting its strength within 30cm of towbar mounting |6.6.6| | 1 |
| Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Centre Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Centre Rear Brake valve leaking |3.6.A.1| | 1 |
| Nearside Front brake disc has restricted free movement |3.5.1j| | 1 |
| Offside Front brake disc has restricted free movement |3.5.1j| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 1 |
| Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Offside Rear Leaf spring fitted in such a way that the axle is misaligned |2.4.B.1e| | 1 |
| Nearside Direction indicator missing |1.4.A.2b| | 1 |
| Offside Direction indicator missing |1.4.A.2b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear Leaf spring cracked |2.4.B.1a| | 1 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Emissions not tested |7.0| | 1 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Offside Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Rear Exhaust mounting missing |7.1.1b| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Shock absorber has an excessively worn bush |2.7.4| | 1 |
| brake disc excessively pitted |3.5.1h| | 1 |
| front brake juddering severely |3.7.A.2b| | 1 |
| Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |